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When do items in HTML5 local storage expire?
...s completely up to the user.
https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage
Of course, it's possible that something your application stores on the client may not be there later. The user can explicitly get rid of local storage, or the browser may run into space considerations...
Why does Math.round(0.49999999999999994) return 1?
...
else
return 0;
}
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html#roun...
How to prevent a dialog from closing when a button is clicked
...
EDIT: This only works on API 8+ as noted by some of the comments.
This is a late answer, but you can add an onShowListener to the AlertDialog where you can then override the onClickListener of the button.
final AlertDialog dialog = new AlertDialog....
Fragment MyFragment not attached to Activity
.../reference/android/app/… ...there's also isDetached(), that was added on API level 13
– Lucas Jota
Mar 21 '14 at 12:42
...
C# Lambda expressions: Why should I use them?
...
Expression trees are a very powerful new feature of C# 3.0 that allow an API to look at the structure of an expression instead of just getting a reference to a method that can be executed. An API just has to make a delegate parameter into an Expression<T> parameter and the compiler will gen...
Making the iPhone vibrate
...
Important Note: Alert of Future Deprecation.
As of iOS 9.0, the API functions description for:
AudioServicesPlaySystemSound(inSystemSoundID: SystemSoundID)
AudioServicesPlayAlertSound(inSystemSoundID: SystemSoundID)
includes the following note:
This function will be deprecated in a f...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
...
You can see things like this :
$modelValue is your external API, that is to say, something exposed to your controller.
$viewValue is your internal API, you should use it only internally.
When editing $viewValue, the render method won't be called, because it is the "rendered model". ...
How do I find out which process is locking a file using .NET?
...ows simply did not track that information. To support the Restart Manager API, that information is now tracked.
I put together code that takes the path of a file and returns a List<Process> of all processes that are locking that file.
using System.Runtime.InteropServices;
using System.Diagn...
Convert timestamp in milliseconds to string formatted time in Java
...al long timestamp = new Date().getTime();
// with java.util.Date/Calendar api
final Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(timestamp);
// here's how to get the minutes
final int minutes = cal.get(Calendar.MINUTE);
// and here's how to get the String representation
final String t...
Encode URL in JavaScript?
... values in the query string (and nowhere else).
However, I find that many APIs want to replace " " with "+" so I've had to use the following:
const value = encodeURIComponent(value).replace('%20','+');
const url = 'http://example.com?lang=en&key=' + value
escape is implemented differently in...